Home / 10,387.64-15,590.27-4,152.06

Finding the Fourth Proportional to 10,387.64, 15,590.27 and 4,152.06

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Solution

The fourth proportional to 10,387.64, 15,590.27 and 4,152.06 is: 6,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.64 : 15,590.27 = 4,152.06 : x
  2. Step 2: Convert to fraction form
    10,387.64/15,590.27 = 4,152.06/x
  3. Step 3: Cross multiply
    10,387.64x = 15,590.27 × 4,152.06
  4. Step 4: Simplify right side
    10,387.64x = 64,731,746.84
  5. Step 5: Solve for x
    x = 64,731,746.84/10,387.64
  6. Step 6: Final answer
    x = 6,231.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.